SHIMANO XTR CS-M9101 HYPERGLIDE Cassette Sprocket M9100 Freewheel Cogs Mountain Bike MTB 12-Speed 10-51T M9100 Cassette Sprocket
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Specifications
- Brand Name
- SHIMANO
- High-concerned chemical
- None
- Origin
- Jp(origin)
- Material
- Alloy
- Flywheel Adjustable Gear Number
- 12
- Model Number
- CS-M9100-12
- Freewheel Speed
- 12
- Gear Teeth
- 10-51T
- Type
- MTB Bike Freewheel
- Components
- Freewheel
- Brand
- Shimano
Product Description
SHIMANO XTR - 12-Speed - HYPERGLIDE+ - MTB Cassette Sprocket
CS-M9101-12 Original SHIMANO Parts：
（no box）
With its BEAM SPIDER construction, the XTR M9100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes deliver the best MTB shift experience on offer.
Definitive shifting
Let you pedal continuously while shifting
Increased acceleration by reducing inertia and weight by BEAM SPIDER construction
New MICRO SPLINE * construction to engage FREEHUB body
Pros & Cons
Pros
- Ultra-wide 10-51T range expands MTB gearing options
- Lightweight alloy BEAM SPIDER reduces rotational weight
- HYPERGLIDE+ for precise 12-speed shifting
- High-end XTR durability for aggressive trails
Cons
- Requires specific MICRO SPLINE compatible hub
- No box packaging, as original parts
- Premium price for advanced MTB riders only
- 12-speed limits compatibility with older drivetrains
Common Questions
What material is the SHIMANO XTR cassette made of?
Alloy construction with BEAM SPIDER for lightweight strength.
What gear range and speed is this freewheel?
12-speed MTB cassette, 10-51T wide range for mountain biking.
Is it compatible with standard hubs?
Requires SHIMANO MICRO SPLINE freehub body for M9100 series.
How does HYPERGLIDE+ improve shifting?
HYPERGLIDE+ technology ensures smooth, fast shifts under load.
Shipping note for this Japan origin part?
Original SHIMANO parts (no box) from JP origin, standard shipping.
Product information last updated on March 19, 2026